libvrflinger: Move some tracing to a more verbose level.

Quiet the logs when using TRACE=1.

Bug: None
Test: Set TRACE=1; build; observe traces do not appear.
Change-Id: I521fa5cf4b0ab18e73f89a1898bf2d58fc2d1f88
diff --git a/libs/vr/libvrflinger/display_surface.cpp b/libs/vr/libvrflinger/display_surface.cpp
index 2a938a2..330b455 100644
--- a/libs/vr/libvrflinger/display_surface.cpp
+++ b/libs/vr/libvrflinger/display_surface.cpp
@@ -127,7 +127,8 @@
 }
 
 void DisplaySurface::ClearUpdate() {
-  ALOGD_IF(TRACE, "DisplaySurface::ClearUpdate: surface_id=%d", surface_id());
+  ALOGD_IF(TRACE > 1, "DisplaySurface::ClearUpdate: surface_id=%d",
+           surface_id());
   update_flags_ = display::SurfaceUpdateFlags::None;
 }
 
@@ -333,7 +334,7 @@
     auto buffer_status = direct_queue_->Dequeue(0, &slot, &acquire_fence);
     if (!buffer_status) {
       ALOGD_IF(
-          TRACE && buffer_status.error() == ETIMEDOUT,
+          TRACE > 1 && buffer_status.error() == ETIMEDOUT,
           "DirectDisplaySurface::DequeueBuffersLocked: All buffers dequeued.");
       ALOGE_IF(buffer_status.error() != ETIMEDOUT,
                "DirectDisplaySurface::DequeueBuffersLocked: Failed to dequeue "